. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: J Infect Public Health. 2015 Feb 26;8(3):219–225. doi: 10.1016/j.jiph.2015.01.001
© 2015 King Saud Bin Abdulaziz University for Health Sciences. Published by Elsevier
Ltd.
This manuscript version is made available under the CC BY-NC-ND 4.0 license.